Relationship

Site

Statistical analysis

Results

P

F

I-P

All

(N = 142)

Communication style and SA

Chi-square

X² = 0.955, df = 2

0.62

Safety content (supervisor) and SA

T-test

Conservative: N = 114, Mean = 0.6631, SD = 0.29574

0.278

1.185

Risky: N = 28, Mean = 0.7196, SD = 0.32167

Group 1

(N = 53)

Communication style and SA

Chi-square

X² = 0.121, N = 94, df = 2

0.941

Safety content (supervisor) and SA

T-test

Conservative: N = 69, Mean = 0.6539, SD = 0.29130

0.145

2.155

Risky: N = 25, Mean = 0.7060, SD = 0.32810

Group 2

(N = 41)

Communication style and SA

Chi-square

X² = 7.966, N = 53, df = 3

0.047

Safety content (supervisor) and SA

T-test

Conservative: N = 39, Mean = 0.6231, SD = 0.27854

0.306

1.069

Risky: N = 14, Mean = 0.7736, SD = 0.33754

Group 3

(N = 48)

Communication style and SA

Chi-square

X² = 3.2, N = 48, df = 2

0.202

Safety content (supervisor) and SA

T-test

Conservative: N = 45, Mean = 0.6771, SD = 0.30520

0.256

1.324

Risky: N = 3, Mean = 0.8333, SD = 0.28868